Coffee roaster



FIG. 1 is a left side elevation view of a coffee roaster showing our new design;

FIG. 2 is a right side elevation view thereof;

FIG. 3 is a front elevation view thereof;

FIG. 4 is a rear elevation view thereof;

FIG. 5 is a top plan view thereof; and,

FIG. 6 is a perspective view thereof, from the front, left side and top. 

The ornamental design of a coffee roaster, as shown. 